Product Description

The TLM 103 is the ideal large diaphragm microphone for all professional and semi-professional applications requiring the utmost in sound quality on a limited budget. By utilizing the tried and true transformerless circuit found in numerous Neumann microphones, the TLM 103 features yet unattained low self-noise and the highest sound pressure level transmission. The capsule, derived from that used in the U 87, has a cardioid pattern, is acoustically well-balanced and provides extraordinary attenuation of signals from the rear. Delivery includes an SG 103 swivel mount and a wooden jeweler's box.

Features
Large diaphragm cardioid microphone

Pressure gradient transducer with with one-diaphragm capsule

Transformerless circuitry

Extremely low noise: 7 dB-A

Includes swivel mount

Straightforward handling for home recording and professional studios

High-quality professional equipment for limited budgets

Applications
Due to the universal cardioid pattern, straightforward handling, extremely low self-noise level, and finally, the price, the TLM 103 is predestined for all demanding applications from home recording to professional broadcasting and commercial recording studios.

Polar Pattern
The TLM 103 is equipped with a large diaphragm capsule with cardioid pattern. By focusing on this pattern - used in most recording situations - the attenuation of unwanted rear sound has been optimized. Off-axis sounds are rendered naturally while isolation is increased. This also leads to a high feedback suppression when the microphone is used in live situations or where loudspeaker playback is a factor.

Acoustic
The TLM 103 is addressed from the front, marked with the red Neumann logo on the microphone body. The K 103 large diaphragm capsule is based on the K 87, well known from the U 67 / U 87 microphones.The capsule has a flat frequency response up to about 5 kHz, and above that, a wide flat 4 dB presence boost.

The large wire mesh headgrille protects the capsule from plosive sounds and effectively prevents pop noises. These characteristics are achieved without resorting to corrective resonance effects

Therefore, the microphone maintains an excellent impulse response and reproduces the finest details of music and speech without coloration.

Electrical
With just 7 dB-A / 17.5 dB CCIR the self-noise level of the TLM 103 is so reduced that even the smallest signals are reproduced basically noise-free. As it is capable of handling sound pressure levels up to 138 dB without distortion, the TLM 103 provides a dynamic range of 131 dB, according to DIN/IEC 651.The letters TLM stand for "transformerless microphone." With TLM technology the usual output transformer is replaced by an electronic circuit. As with traditional transformers, it ensures good common mode rejection, and prevents RF interference that may influence the balanced audio signal.

Operational Safety
The entire internal construction is elastically mounted to attenuate any structure borne noise that could interfere with the TLM 103's operation. Furthermore the capsule is set on an elastic mount. The frequency range reaches below 20 Hz; thus, even very low bass signals are reproduced without coloration.

Due to this low frequency extension, the TLM 103 is more sensitive to structure borne interference and wind noise. For such cases, the elastic suspension EA 103 and the windscreen WS 87 are available as accessories. For close vocal use, the PS 10 or PS 20 pop screens are recommended.

Technical Description

Acoustical Operating Principle: Pressure gradient transducer

Directional Pattern: Cardioid

Frequency range: 20 Hz-20 kHz

Sensitivity at 1 kHz into 1 kohm: 21 mV/Pa

Rated impedance: 50 ohms

Rated load impedance: 1000 ohms

Equivalent SPL CCIR 468-3: 17.5 dB

Equivalent SPL DIN/IEC 651: 7 dB-A

S/N ratio CCIR 468-3: 76.5 dB

S/N ratio DIN/IEC 651: 87 dB

Maximum SPL for THD 0.5%: 138 dB

Maximum output voltage: 13 dBu

Dyn. range of the mic. amplifier DIN/IEC 651: 131 dB

Supply voltage: 48 V ± 4 V

Current consumption: 3 mA

Matching connector: XLR 3F

Weight: approx. 500 g

Diameter: 60 mm

Length: 132 mm

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